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formatter_tests.py
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formatter_tests.py
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# -*- coding: utf-8 -*-
import time
from datetime import datetime
import pytz
from chai import Chai
from dateutil import tz as dateutil_tz
from arrow import formatter
from .utils import make_full_tz_list
class DateTimeFormatterFormatTokenTests(Chai):
def setUp(self):
super(DateTimeFormatterFormatTokenTests, self).setUp()
self.formatter = formatter.DateTimeFormatter()
def test_format(self):
dt = datetime(2013, 2, 5, 12, 32, 51)
result = self.formatter.format(dt, "MM-DD-YYYY hh:mm:ss a")
self.assertEqual(result, "02-05-2013 12:32:51 pm")
def test_year(self):
dt = datetime(2013, 1, 1)
self.assertEqual(self.formatter._format_token(dt, "YYYY"), "2013")
self.assertEqual(self.formatter._format_token(dt, "YY"), "13")
def test_month(self):
dt = datetime(2013, 1, 1)
self.assertEqual(self.formatter._format_token(dt, "MMMM"), "January")
self.assertEqual(self.formatter._format_token(dt, "MMM"), "Jan")
self.assertEqual(self.formatter._format_token(dt, "MM"), "01")
self.assertEqual(self.formatter._format_token(dt, "M"), "1")
def test_day(self):
dt = datetime(2013, 2, 1)
self.assertEqual(self.formatter._format_token(dt, "DDDD"), "032")
self.assertEqual(self.formatter._format_token(dt, "DDD"), "32")
self.assertEqual(self.formatter._format_token(dt, "DD"), "01")
self.assertEqual(self.formatter._format_token(dt, "D"), "1")
self.assertEqual(self.formatter._format_token(dt, "Do"), "1st")
self.assertEqual(self.formatter._format_token(dt, "dddd"), "Friday")
self.assertEqual(self.formatter._format_token(dt, "ddd"), "Fri")
self.assertEqual(self.formatter._format_token(dt, "d"), "5")
def test_hour(self):
dt = datetime(2013, 1, 1, 2)
self.assertEqual(self.formatter._format_token(dt, "HH"), "02")
self.assertEqual(self.formatter._format_token(dt, "H"), "2")
dt = datetime(2013, 1, 1, 13)
self.assertEqual(self.formatter._format_token(dt, "HH"), "13")
self.assertEqual(self.formatter._format_token(dt, "H"), "13")
dt = datetime(2013, 1, 1, 2)
self.assertEqual(self.formatter._format_token(dt, "hh"), "02")
self.assertEqual(self.formatter._format_token(dt, "h"), "2")
dt = datetime(2013, 1, 1, 13)
self.assertEqual(self.formatter._format_token(dt, "hh"), "01")
self.assertEqual(self.formatter._format_token(dt, "h"), "1")
# test that 12-hour time converts to '12' at midnight
dt = datetime(2013, 1, 1, 0)
self.assertEqual(self.formatter._format_token(dt, "hh"), "12")
self.assertEqual(self.formatter._format_token(dt, "h"), "12")
def test_minute(self):
dt = datetime(2013, 1, 1, 0, 1)
self.assertEqual(self.formatter._format_token(dt, "mm"), "01")
self.assertEqual(self.formatter._format_token(dt, "m"), "1")
def test_second(self):
dt = datetime(2013, 1, 1, 0, 0, 1)
self.assertEqual(self.formatter._format_token(dt, "ss"), "01")
self.assertEqual(self.formatter._format_token(dt, "s"), "1")
def test_sub_second(self):
dt = datetime(2013, 1, 1, 0, 0, 0, 123456)
self.assertEqual(self.formatter._format_token(dt, "SSSSSS"), "123456")
self.assertEqual(self.formatter._format_token(dt, "SSSSS"), "12345")
self.assertEqual(self.formatter._format_token(dt, "SSSS"), "1234")
self.assertEqual(self.formatter._format_token(dt, "SSS"), "123")
self.assertEqual(self.formatter._format_token(dt, "SS"), "12")
self.assertEqual(self.formatter._format_token(dt, "S"), "1")
dt = datetime(2013, 1, 1, 0, 0, 0, 2000)
self.assertEqual(self.formatter._format_token(dt, "SSSSSS"), "002000")
self.assertEqual(self.formatter._format_token(dt, "SSSSS"), "00200")
self.assertEqual(self.formatter._format_token(dt, "SSSS"), "0020")
self.assertEqual(self.formatter._format_token(dt, "SSS"), "002")
self.assertEqual(self.formatter._format_token(dt, "SS"), "00")
self.assertEqual(self.formatter._format_token(dt, "S"), "0")
def test_timestamp(self):
timestamp = time.time()
dt = datetime.utcfromtimestamp(timestamp)
self.assertEqual(self.formatter._format_token(dt, "X"), str(int(timestamp)))
def test_timezone(self):
dt = datetime.utcnow().replace(tzinfo=dateutil_tz.gettz("US/Pacific"))
result = self.formatter._format_token(dt, "ZZ")
self.assertTrue(result == "-07:00" or result == "-08:00")
result = self.formatter._format_token(dt, "Z")
self.assertTrue(result == "-0700" or result == "-0800")
def test_timezone_formatter(self):
for full_name in make_full_tz_list():
# This test will fail if we use "now" as date as soon as we change from/to DST
dt = datetime(1986, 2, 14, tzinfo=pytz.timezone("UTC")).replace(
tzinfo=dateutil_tz.gettz(full_name)
)
abbreviation = dt.tzname()
result = self.formatter._format_token(dt, "ZZZ")
self.assertEqual(result, abbreviation)
def test_am_pm(self):
dt = datetime(2012, 1, 1, 11)
self.assertEqual(self.formatter._format_token(dt, "a"), "am")
self.assertEqual(self.formatter._format_token(dt, "A"), "AM")
dt = datetime(2012, 1, 1, 13)
self.assertEqual(self.formatter._format_token(dt, "a"), "pm")
self.assertEqual(self.formatter._format_token(dt, "A"), "PM")
def test_nonsense(self):
dt = datetime(2012, 1, 1, 11)
self.assertEqual(self.formatter._format_token(dt, None), None)
self.assertEqual(self.formatter._format_token(dt, "NONSENSE"), None)
def test_escape(self):
self.assertEqual(
self.formatter.format(
datetime(2015, 12, 10, 17, 9), "MMMM D, YYYY [at] h:mma"
),
"December 10, 2015 at 5:09pm",
)
self.assertEqual(
self.formatter.format(
datetime(2015, 12, 10, 17, 9), "[MMMM] M D, YYYY [at] h:mma"
),
"MMMM 12 10, 2015 at 5:09pm",
)
self.assertEqual(
self.formatter.format(
datetime(1990, 11, 25),
"[It happened on] MMMM Do [in the year] YYYY [a long time ago]",
),
"It happened on November 25th in the year 1990 a long time ago",
)
self.assertEqual(
self.formatter.format(
datetime(1990, 11, 25),
"[It happened on] MMMM Do [in the][ year] YYYY [a long time ago]",
),
"It happened on November 25th in the year 1990 a long time ago",
)
self.assertEqual(
self.formatter.format(
datetime(1, 1, 1), "[I'm][ entirely][ escaped,][ weee!]"
),
"I'm entirely escaped, weee!",
)
# Special RegEx characters
self.assertEqual(
self.formatter.format(
datetime(2017, 12, 31, 2, 0), "MMM DD, YYYY |^${}().*+?<>-& h:mm A"
),
"Dec 31, 2017 |^${}().*+?<>-& 2:00 AM",
)
# Escaping is atomic: brackets inside brackets are treated litterally
self.assertEqual(self.formatter.format(datetime(1, 1, 1), "[[[ ]]"), "[[ ]")